On 27-03-22, 14:11, Xiaomeng Tong wrote: > The bug is here: > __func__, desc, &desc->tx_dma_desc.phys, ret, cookie, residue); > > The list iterator 'desc' will point to a bogus position containing > HEAD if the list is empty or no element is found. To avoid dev_dbg() > prints a invalid address, use a new variable 'iter' as the list > iterator, while use the origin variable 'desc' as a dedicated > pointer to point to the found element. Applied, thanks -- ~Vinod